Property Plant and Equipment - Additional Information (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Property Plant And Equipment Useful Life And Values [Abstract] | |||
| Depreciation Expense | $ 5,055 | $ 1,555 | $ 1,339 |
| Amortization of deferred gain on building | $ 281 | $ 380 | $ 380 |